Year	Dollars
1992-01-01	4725279
1997-01-01	10796844
2002-01-01	7740513
2003-01-01	7729974
2004-01-01	7174896
2005-01-01	8052595
2006-01-01	10596815
2007-01-01	21757111
2008-01-01	16582983
2009-01-01	18802673
2010-01-01	25588741
2011-01-01	18519376
2012-01-01	23168306
2013-01-01	23531717
2014-01-01	24840719
2015-01-01	42577167
2016-01-01	32073598